# Relationship history for MSHA mine 1516611

Current hierarchy: **Gray Paul Gary → Rebecca Coal Company → No 1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Rebecca Coal Company → No 1; 1989-05-01 to 1994-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Hicks Rondal & Ronnie Jordan → No 1; 1989-05-01 to 1994-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Hicks Rondal & Ronnie Jordan → Rebecca Coal Company; 1989-05-01 to 1994-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Rebecca Coal Company → No 1; 1994-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gray Paul Gary → No 1; 1994-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gray Paul Gary → Rebecca Coal Company; 1994-03-28 to current/open; source msha-controller-operator-history